package com.snackshop.handler;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.snackshop.pojo.vo.R;
import com.snackshop.pojo.vo.ResponseState;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Component
public class PermissionAccessDeniedHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException, ServletException {
        response.setContentType("html/text;charset=utf-8");
        R result = R.RESULT(ResponseState.ACCESSDENIED);
        //利用ObjectMapper将R转为Json
        ObjectMapper objectMapper = new ObjectMapper();
        String s = objectMapper.writeValueAsString(result);
        response.getWriter().write(s);
    }
}
